v3.25.2
Schedule of Investments - Futures Contracts Purchased (Detail) - Futures Contracts [Member] - Contracts to Purchase [Member]
Jun. 30, 2025
USD ($)
Contract
ProShares Ultra Bloomberg Crude Oil [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ 3,282,538
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires September 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,454
Notional Amount at Value $ 92,837,900
Unrealized Appreciation (Depreciation)/Value $ 1,361,508
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires December 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,508
Notional Amount at Value $ 92,968,200
Unrealized Appreciation (Depreciation)/Value $ 467,044
ProShares Ultra Bloomberg Crude Oil [Member] | WTI Crude Oil - NYMEX, expires June 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,535
Notional Amount at Value $ 94,157,110
Unrealized Appreciation (Depreciation)/Value $ 1,453,986
ProShares Ultra Bloomberg Natural Gas [Member] | Natural Gas NYMEX expires September 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 19,184
Notional Amount at Value $ 669,521,600
Unrealized Appreciation (Depreciation)/Value $ (29,767,704)
ProShares Ultra Gold [Member] | Gold Futures - COMEX, expires August 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 1,736
Notional Amount at Value $ 574,216,720
Unrealized Appreciation (Depreciation)/Value $ (3,455,626)
ProShares Ultra Silver [Member] | Silver Futures - COMEX, expires September 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,488
Notional Amount at Value $ 630,839,680
Unrealized Appreciation (Depreciation)/Value (9,137,947)
ProShares Ultra VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (55,376,766)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - COMEX, expires July 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 24,975
Notional Amount at Value $ 467,356,200
Unrealized Appreciation (Depreciation)/Value $ (45,257,764)
ProShares Ultra VIX Short-Term Futures ETF [Member] | VIX Futures - COMEX, expires August 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 19,969
Notional Amount at Value $ 401,329,105
Unrealized Appreciation (Depreciation)/Value (10,119,002)
ProShares VIX Mid-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (188,667)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires October 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 187
Notional Amount at Value $ 3,947,009
Unrealized Appreciation (Depreciation)/Value $ 165,078
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires November 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 336
Notional Amount at Value $ 7,156,800
Unrealized Appreciation (Depreciation)/Value $ (264,054)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires December 2025 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 336
Notional Amount at Value $ 7,144,536
Unrealized Appreciation (Depreciation)/Value $ (76,044)
ProShares VIX Mid-Term Futures ETF [Member] | VIX Futures - Cboe, expires January 2026 [Member]  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 150
Notional Amount at Value $ 3,296,009
Unrealized Appreciation (Depreciation)/Value (13,647)
ProShares VIX Short-Term Futures ETF [Member]  
Schedule of Investments [Line Items]  
Unrealized Appreciation (Depreciation)/Value $ (10,141,713)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires July 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 4,728
Notional Amount at Value $ 88,477,693
Unrealized Appreciation (Depreciation)/Value $ (7,787,496)
ProShares VIX Short-Term Futures ETF [Member] | VIX Futures - Cboe, expires August 2025  
Schedule of Investments [Line Items]  
Number of Contracts | Contract 3,778
Notional Amount at Value $ 75,928,733
Unrealized Appreciation (Depreciation)/Value $ (2,354,217)